You can now achieve professional studio lighting result by using this portable studio softbox together with your external flashgun. The softbox can be widely used in portait photography and micro photography and so on and it's very easy to use. It comes with a carrying case and it's not heavy to carry at all. It's compatible with most flashguns and flash units, and you can achieve more funtions when used with PT-04 flash trigger. Package includes: 1 x 60cmx60cm softbox frame and soft cloth diffuser, 1 x carrying case, 1 x metal bracket, 1 x hot shoe tilt bracket with standard mounting plate. It's compatible with Nikon SB-800, SB-600, SB-80DX, SB-28DX, (SB-900 can only work when used with a PC-04CN). Canon 580EXII, 580EX, 550EX, 540EZ, 430EXII, 430EX, Pentax AF540FGZ, AF360FGZ, Olympus F50R, F50, F36R, F36, Nissin DI866, DI622, DI466, Sigma 530DG, 500DG, Vivitar DF400MZ, DF383S, AUTO285, AUTO283, AUTO273, Minolta 4000AF, 2800AF. You can find some useful guiding videos regarding how to fold the softbox back properly on youtube. Be extremely careful when you open the softbox for the first time.